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GPT-6 Astra vs Grok Imagine Image Pro

Comparing GPT-6 Astra and Grok Imagine Image Pro across benchmarks, pricing, and capabilities.

OpenAI · xAI · Updated for 2026

Which is better?

GPT-6 Astra and Grok Imagine Image Pro trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

GPT-6 Astra also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT-6 Astra

  • you process long inputs — it offers a 1,050,000 token context window
  • you want the most recent training data — it shipped Sep 2026

Choose Grok Imagine Image Pro

  • you are already invested in the xAI ecosystem

FAQ

Common questions about GPT-6 Astra vs Grok Imagine Image Pro.

Which is better, GPT-6 Astra or Grok Imagine Image Pro?

GPT-6 Astra (OpenAI) and Grok Imagine Image Pro (xAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does GPT-6 Astra compare to Grok Imagine Image Pro in benchmarks?

GPT-6 Astra scores ExploitBench: 100.0%, ARC-AGI-3: 99.9%, ARC-AGI: 98.5%, FrontierMath Tier 4 (v2): 97.6%, GPQA: 96.0%.

What are the context window sizes for GPT-6 Astra and Grok Imagine Image Pro?

GPT-6 Astra supports 1.1M tokens and Grok Imagine Image Pro supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-6 Astra and Grok Imagine Image Pro?

Key differences include context window (1.1M vs 131K), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-6 Astra and Grok Imagine Image Pro?

GPT-6 Astra is developed by OpenAI and Grok Imagine Image Pro is developed by xAI.